My daughter cheated on her bf?

I'm very pissed at my 16 year old daughter. I never thought that I would raise a hoe but somehow I did. Shes never allowed to have another bf under my roof again. She should know better by now to do this. She can't sneak out either because I have a security system at night that goes off if anyone leaves or enters the house plus she's on the top level of the house so she can't jump out the window. I wouldn't care if my son did this but my daughter should know better. What can I do? Im already demanding her iPhone for a sneak peak everyday to make sure she's not talking to boys unless it's about schoolwork and shes definitely not going over to their house to "study". What can I do?

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